<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>西大网上书店</title>
</head>
<body>
  <div style="width:99%;background-color:#336699;color:#ffffff">
      <marquee><h2>欢迎访问西南大学网上书店</h2></marquee>
  </div>
</body>
</html>